Disc Operating System (DOS)
While working with MS-DOS, which command is used to undelete a bunch of files with extension DOC that you have just deleted?

UNDELETE/ALL
UNDELETE/LIST
UNDELETE *.DOC
UNDELETE
None of these

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Disc Operating System (DOS)
Which of the following applies to Internal DOS commands?

Internal commands can be run whenever the DOS prompt is displayed
Internal commands can only be executed from a batch file
Internal commands are stored on disk separately from COMMAND.COM
Internal commands are reserved for DOS-level programming

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